package com.jumlabs.web;

import java.io.IOException;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import java.util.Locale;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.jumlabs.data.entities.drive.Drive;
import com.jumlabs.data.entities.drive.File;
import com.jumlabs.services.drive.DriveService;

/**
 * Handles requests for the application home page.
 */
@Controller
public class HomeController {

	private static final Logger logger = LoggerFactory
			.getLogger(HomeController.class);

	@Autowired
	private DriveService driveService;

	/**
	 * Simply selects the home view to render by returning its name.
	 */
	@RequestMapping(value = "/", method = RequestMethod.GET)
	public String home(Locale locale, Model model) {
		logger.info("Welcome home! the client locale is " + locale.toString());
		Date date = new Date();
		DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG,
				DateFormat.LONG, locale);
		String formattedDate = dateFormat.format(date);
		model.addAttribute("serverTime", formattedDate);
		model.addAttribute("jsonRootFiles",getDriveRootFiles());
		model.addAttribute("jsonDefaultDrive",getDefaultDrive());
		return "home";
	}
	
	private String getDefaultDrive(){
		Drive drive=new Drive();
		drive.setId("1e03719c-407f-4430-b49b-77479a93e159");
		return objectToJson(drive);
	}

	private String getDriveRootFiles() {
		List<File> rootFiles=driveService.listRootFiles("1e03719c-407f-4430-b49b-77479a93e159");
		return objectToJson(rootFiles);
	}
	
	private String objectToJson(Object object){
		ObjectMapper mapper = new ObjectMapper();	
		String resultado="";
		try {
			resultado=mapper.writeValueAsString(object);
		} catch (JsonGenerationException e) {
			e.printStackTrace();
		} catch (JsonMappingException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return resultado;
	}

}
